Nov 19 (Reuters) - Speculators reduced their net long U.S. dollar positions in the latest week, according to calculations by Reuters and U.S. Commodity Futures Trading Commission data released on Friday. The value of the net long dollar position fell to $18.30 billion in the week ended Nov. 16, compared with a net long of $18.75 billion the previous week. The Reuters calculation for the aggregate U.S. dollar position is derived from net positions of International Monetary Market speculators in the yen, euro, British pound, Swiss franc, and Canadian and Australian dollars. In a wider measure of dollar positioning < NETUSDALL=> that includes net contracts on the New Zealand dollar, Mexican peso, Brazilian real and Russian rouble. The U.S. dollar posted a net long position of $17.98 billion, compared with a net long of $18.58 billion a week earlier. Japanese Yen (contracts of 12,500,000 yen) Net dollar long by $10.138 billion16 Nov 2021 week Prior week Long 24,635 16,440 Short 117,761 121,791 Net -93,126 -105,351 EURO (contracts of 125,000 euros) Net dollar long by $0.541 billion 16 Nov 2021 week Prior week Long 198,181 192,544 Short 202,007 188,771 Net -3,826 3,773 POUND STERLING (contracts of 62,500 pounds sterling) Net dollar long by $2.652 billion 16 Nov 2021 week Prior week Long 50,443 54,004 Short 82,042 66,097 Net -31,599 -12,093 SWISS FRANC (contracts of 125,000 Swiss francs) Net dollar long by $1.195 billion 16 Nov 2021 week Prior week Long 5,502 4,690 Short 14,391 21,733 Net -8,889 -17,043 CANADIAN DOLLAR (contracts of 100,000 Canadian dollars) Net dollar short by $-0.693 billion 16 Nov 2021 week Prior week Long 44,147 43,961 Short 35,438 38,857 Net 8,709 5,104 AUSTRALIAN DOLLAR (contracts of 100,000 Aussie dollars) Net dollar long by $4.465 billion 16 Nov 2021 week Prior week Long 30,760 23,844 Short 91,913 87,268 Net -61,153 -63,424 MEXICAN PESO (Contracts of 500,000 pesos) Net dollar long by $-1.15 billion 16 Nov 2021 week Prior week Long 69,984 61,791 Short 117,639 110,198 Net -47,655 -48,407 NEW ZEALAND DOLLAR (Contracts of 100,000 New Zealand dollars) Net dollar short by $-0.976 billion 16 Nov 2021 week Prior week Long 26,388 25,312 Short 12,423 12,430 Net 13,965 12,882 Reporting by Karen Brettell; Editing by Leslie Adler and Vinay Dwivedi Our Standards: The Thomson Reuters Trust Principles.